<template>
  <div class="rank" ref="rank">
    <scroll class="toplist" ref="toplist" :data="topList">
      <ul>
        <li class="item" v-for="item in topList" @click="selectItem(item)">
          <div class="icon">
            <img width="100" height="100" v-lazy="item.picUrl"/>
          </div>
          <ul class="songlist">
            <li class="song needsclick" v-for="(song, index) in item.songList" >
              <span>{{index + 1}}</span>
              <span>{{song.songname}}-{{song.singername}}</span>
            </li>
          </ul>
        </li>
      </ul>
      <div class="loading-container" v-show="!topList.length">
        <loading></loading>
      </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script type="text/javascript">
import Scroll from '../../base/scroll/scroll'
import Loading from '../../base/loading/loading'
import getTopList from '../../api/rank'
import {ERR_OK} from '../../common/js/config'
import {playlistMixin} from '../../store/mixin'
import {mapMutations} from 'vuex'
	export default{
		name: 'rank',
		mixins: [playlistMixin],
		data(){
			return {
				topList: []
			}
		},
		components: {
			Scroll,
			Loading
		},
		created(){
			this._getTopList();
		},
		methods: {
      ...mapMutations({
        setTopList: 'SET_TOP_LIST'
      }),
      selectItem(item){
        this.$router.push({
          path: `/rank/${item.id}`
        })
        this.setTopList(item);
      },
			handlerPlaylist(list){
			   const bottom = list.length>0 ? '60px' : '';
		       this.$refs.rank.style.bottom = bottom;
		       this.$refs.toplist.refresh(); 
			},
			_getTopList(){
				getTopList().then((res)=>{
					if(res.code===ERR_OK){
						this.topList = res.data.topList;
					}
				})
			}
		}

	}
</script>
<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "~common/stylus/variable"
  @import "~common/stylus/mixin"

  .rank
    position: fixed
    width: 100%
    top: 88px
    bottom: 0
    .toplist
      height: 100%
      overflow: hidden
      .item
        display: flex
        margin: 0 20px
        padding-top: 20px
        height: 100px
        &:last-child
          padding-bottom: 20px
        .icon
          flex: 0 0 100px
          width: 100px
          height: 100px
        .songlist
          flex: 1
          display: flex
          flex-direction: column
          justify-content: center
          padding: 0 20px
          height: 100px
          overflow: hidden
          background: $color-highlight-background
          color: $color-text-d
          font-size: $font-size-small
          .song
            no-wrap()
            line-height: 26px
      .loading-container
        position: absolute
        width: 100%
        top: 50%
        transform: translateY(-50%)
</style>